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GB/T 34477-2017: Metallic materials -- Sheet and strip -- Dent resistance test method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34477-2017 | English | 319 |
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Metallic materials -- Sheet and strip -- Dent resistance test method
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GB/T 34477-2017
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Basic data | Standard ID | GB/T 34477-2017 (GB/T34477-2017) | | Description (Translated English) | Metallic materials -- Sheet and strip -- Dent resistance test method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H23 | | Classification of International Standard | 77.040.10 | | Word Count Estimation | 16,140 | | Date of Issue | 2017-10-14 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Standard Announcement 2017 No. 26 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 34477-2017: Metallic materials -- Sheet and strip -- Dent resistance test method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Metallic materials-Sheet and strip-Dent resistance test method
ICS 77.040.10
H23
National Standards of People's Republic of China
Metal sheets and ribbons
Anti-concave performance test methods
2017-10-14 Published
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Iron and Steel Association.
This standard by the National Standardization Technical Committee Steel (SAC/TC183) centralized.
This standard was drafted by Baoshan Iron and Steel Co., Ltd., Shanghai Shenli Testing Machine Co., Ltd., Metallurgical Industry Information Standards Institute.
The main drafters of this standard. Fang Jian, Zhang Jianwei, Yang Haoyuan, Dong Li.
Metal sheets and ribbons
Anti-concave performance test methods
1 Scope
This standard specifies the metal materials and thin strip (hereinafter referred to as the metal plate) in the quasi-static test conditions anti-concave performance terms and set
Meaning, test principle, sample preparation, test equipment, test procedures, results evaluation and test report.
This standard applies to the stamping of the metal sheet with anti-concave performance test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 16825.1 static uniaxial testing machine test Part 1. Tensile and (or) pressure testing machine testing system and force measurement
calibration
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Deflection deflection
When a specific force is applied to the surface of a specimen, the amount of material deformation is characterized by the total displacement of the indenter.
3.2
Dent dent
Depression of the specimen in the stressed area.
Note. Defects left behind when the product is not designed or machined.
3.3
Dent depth dentdepth
Anti-concave test process, the initial load to the specified initial force, and after the first cycle load is loaded again to the specified initial force, corresponding to twice
Displacement value of the difference.
3.4
Visual dent depth firstvisibledentdepth
Dv
The depth of the indentation that can be observed initially.
Note This value is affected by various factors such as paint color, curvature of the surface of the specimen, and the area affected by the dimples. This value is usually in the range of 0.02 mm to 0.1 mm.
3.5
Dent initial force dentinitiationload
Critical indentation force
FD
The force applied to define the depth of the indentation is formed.
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